spec/lib/whipped-cream/switch_spec.rb in whipped-cream-0.1.0 vs spec/lib/whipped-cream/switch_spec.rb in whipped-cream-0.1.1

@@ -1,13 +1,23 @@
 require 'spec_helper'
 
 describe WhippedCream::Switch do
-  subject(:switch) { described_class.new(name, pin: pin) }
+  context 'valid switch' do
+    subject(:switch) { described_class.new(name, pin: valid_pin) }
 
-  let(:name) { "Light" }
-  let(:pin) { 3 }
+    let(:name) { "Light" }
+    let(:valid_pin) { 18 }
 
-  its(:name) { should eq(name) }
-  its(:id) { should eq(:light) }
-  its(:type) { should eq(:switch) }
-  its(:pin) { should eq(3) }
+    its(:name) { should eq(name) }
+    its(:id) { should eq(:light) }
+    its(:type) { should eq(:switch) }
+    its(:pin) { should eq(18) }
+  end
+
+  context 'invalid switch' do
+    let(:invalid_pin) { 3 }
+
+    it 'should raise an error upon initialization' do
+      expect { described_class.new(name, pin: invalid_pin) }.to raise_error
+    end
+  end
 end